1.An ECG of an elderly lady who collapsed in the ED shows rapid ventricular rate of 220bpm,
QRS=140ms. What is the most probable dx?
a. Atrial fibrillation
d. Mobitz type1 2nd degree heart block
e. Sinus tachycardia
2.A 72yo man is found to be not breathing in the CCU with the following rhythm. What is the most
d. Atrial fib
e. Atrial flutter
3.A 66yo man has the following ECG. What is the most appropriate next step in management?
c. Carotid sinus massage
4.A new born bay is borught with pansystolic murmur at sternal border but the baby is not
cyanosed. What is the dx?
5.A 43yo lady is admitted with pyrexia, arthropathy, breathlessness and syncope. She was recently
dx with pulmonary emboli. There is an early diastolic sound and a mid-diastolic rumble. Her JVP
is elevated with prominent a-waves. What is the most likely cause?
a. Mitral regurgitation
b. Ventricular ectopics
c. Pulmonary regurgitation
d. Atrial myxoma
e. Complete heart block
Diagnosis: Atrial myxoma, the other options do not explain the fever and emboli phenomenon